Nanomaterial effects on C. elegans lifespan

Nanomaterial: MWNT-15-5: Multi-walled carbon nanotubes
Concentration: 2.08 µg/cm² (dispersant: DI water).
Control: DI Water
Test Method

Trial 1
  Worm lifespan
average (normalized)
S.D. n p value
(LogRank test)
Control 1 0.28 160 -
Nanomaterial 1.04 0.22 159 0.38
Trial 2
  Worm lifespan
average (normalized)
S.D. n p value
(LogRank test)
Control 1 0.31 1211 -
Nanomaterial 0.85 0.2 121 5.8e-11
Trial 3
  Worm lifespan
average (normalized)
S.D. n p value
(LogRank test)
Control 1 0.31 1090 -
Nanomaterial 0.96 0.25 131 0.036